View of SPATIAL AND TEMPORAL VARIABILITY OF THE OCCURRENCE OF GROUND FROST IN POLAND AND ITS EFFECT ON GROWTH, DEVELOPMENT AND YIELD OF PICKLING CUCUMBER (Cucumis sativus L.), 1966–2005

← SPATIAL AND TEMPORAL VARIABILITY OF THE OCCURRENCE OF GROUND FROST IN POLAND AND ITS EFFECT ON GROWTH, DEVELOPMENT AND YIELD OF PICKLING CUCUMBER (Cucumis sativus L.), 1966–2005